What’s Vulnerable › Vulnerabilities

CVE-2019-16979

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-10-21 · updated 2026-06-17
• Weakness: CWE-79

Description

In FusionPBX up to v4.5.7, the file app\contacts\contact_urls.php uses an unsanitized "id" variable coming from the URL, which is reflected in HTML, leading to XSS.

Affected products

• fusionpbx: through 4.5.7

References

• https://github.com/fusionpbx/fusionpbx/commit/a76d9637e31a70060ecc38786246a8b1c9178322
• https://resp3ctblog.wordpress.com/2019/10/19/fusionpbx-xss-12/
• https://github.com/fusionpbx/fusionpbx/commit/a76d9637e31a70060ecc38786246a8b1c9178322
• https://resp3ctblog.wordpress.com/2019/10/19/fusionpbx-xss-12/

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